Historical Campus Tour

Danforth Campus

Cyclotron Building

The Cyclotron Building was completed in 1941. The building was constructed under the recommendation of physicist Arthur Hughes to produce radioisotopes for medical and biological research. The original cyclotron was an 80-ton machine that was used to isolate the world's first plutonium.

Visit Campuses

Washington University is known for its welcoming, open community and is an integral part of the St. Louis region.